Txhua tus paub tias nws yooj yim dua thiab ua haujlwm zoo rau kev ua haujlwm nrog rab riam ntse, vim tias koj tsis tas yuav siv zog, zoo li thaum ua haujlwm nrog cov cuab yeej blunt, thiab koj tsis tas yuav ntshai tias cov khoom noj tsim nyog. cov khoom yuav tsis sib xws thiab dab tuag txiav tawm. Cov cuab yeej no tas li xav tau kev saib xyuas, nws yuav tsum tau ntse kom nws txoj haujlwm yooj yim thiab tsis muaj kev cuam tshuam. Ua li no, koj xav tau lub tshuab tshwj xeeb riam ntse ntse, uas cov riam tuaj yeem ua kom ntse thiab siv tau yooj yim.
High-speed electric sharpeners yog tam sim no nrov heev, tab sis nws yog qhov zoo dua tsis txhob siv lawv nyob rau hauv lub neej txhua hnub, vim hais tias uncontrolled cua sov ntawm lub sib tsoo log yuav irreversibly ua puas rau cov hniav. Cov neeg tsim khoom muaj lub tshuab tshwj xeeb rau cov riam ntse, uas cov txheej txheem siv tshuab yog ua los ntawm kev sib tsoo siv. Ntau tus neeg pheej xav tsis thoob vim li cas cov hniav hlau ua npub thiab tuaj yeem ua tau kom qhov no tsis tshwm sim?
Ib feem hlau ntawm riam yog tas li raug rau cov khoom abrasive uas nyob rau hauv cov zaub mov. Raws li, cov hniav yog erased. Yog li ntawd, txhua lub tsev yuav tsum muaj rab riam ntse ntse uas yuav pab kom cov hniav zoo meej. Feem ntau, cov txheej txheem sharpening ib txwm nqis los rau cov txheej txheem siv zog. Lawv lub luag haujlwm tseem ceeb yog tshem tawm qhov tsis xws luag hauv cov hniav thaum sib tsoo. Qhov tseem ceeb ntawm cov txheej txheem no yog qhov tseeb ntawm lub kaum sab xis muab, tsis xav tau lub zog ntawm no. Kev saib xyuas yuav tsum tau saib xyuas kom ntseeg tau tias lub pob zeb sib txuas nrog cov hniav ntawm ib qho thiab lub kaum sab xis.
Rau qhov kev ua kom zoo, nws yog ib qho tseem ceeb uas lub thaiv ntev heev, tsawg kawg yog ob lossis peb zaug ntawm qhov ntev ntawm cov hniav, txwv tsis pub cov txheej txheem yuav nyuaj, tshwj xeeb tshaj yog rau cov pib tshiab. Nws yog ib nqi sau cia hais tias lub tshuab rau sharpening riam muaj peev xwm muaj ib tug pob zeb diamond bar - nws yog yooj yim dua rau lawv ua hauj lwm, thiab sharpening yuav coj qhov chaw zoo kawg nkaus thiab zoo. Xws li ib qho abrasive yuav tsis ntev dhau, nws tseem yuav yooj yim, ceev thiab yooj yim rau sharpen tej riam. Cov pob zeb muaju rau ntawm qhov bar yuav tsum tsis sib xws, yog tias lawv tsis zoo ib yam, lub sharpening yuav tsis raug heev. Yog li ntawd, tshwj xeeb tshaj yog lub tshuab rau sharpening ca riam yuav tsum muaj ib tug abrasive nrog txawm hais. Ceramic tuav yog suav tias yog qhov pheej yig tshaj plaws, tab sis nws yog qhov nyuaj heev los nrhiav cov khoom siv nrog cov khoom siv me me thiab zoo ib yam. Yog li ntawd, lawv yuav tsum tsuas yog siv los ua qhov chaw kawg nkaus xwb. Thaum siv lawv, nws yog qhov zoo dua los ntub lawv nrog dej thiab txhuam ob lub pas nrig ua ke kom lawv muaj qhov du.
Yuav tsumNws yuav tsum tau muab sau tseg tias abrasives ua los ntawm Japanese dej pob zeb kuj yuav siv tau nyob rau hauv lub tshuab cuab yeej. Lawv yog me ntsis kim dua li cov ntaub ntawv zoo sib xws los ntawm lwm cov khoom, tab sis tseem pheej yig dua li tej yam ntuj tso. Lawv yog cov mos mos, uas yog txiav txim siab los ntawm qhov sib piv ntawm qhov ntim ntawm qhov hws thiab qhov ntim ntawm cov ntawv khi, nrog rau cov nplej zom lawv tus kheej. Tab sis txawm tus nqi, xws li lub tshuab rau sharpening riam yog nrov heev ntawm cov tub txawg. Tus nqi nyob rau hauv rooj plaub no rau ntau tus kws tshaj lij tsis muaj teeb meem, vim tias qhov ua tau zoo ntawm kev ua haujlwm yog qhov tseem ceeb dua. Koj tuaj yeem nqis peev nyiaj hauv kev yuav khoom ib zaug txhawm rau ua kom tau nyiaj tom qab tas li.
